Ali Reşit BEYLER. “Transpapillary and Percutaneous Transhepatic Forceps Biopsy in Bile Duct Strictures”. Turkish Journal of Gastroenterology 9, no. 3 (July 25, 2019): 247–249. Accessed July 8, 2025. https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/1390.